Truck rear wall connecting cross beam assembly

Abstract

The utility model relates to the technical field of trucks, in particular to a truck rear wall connecting cross beam assembly which comprises a rear wall connecting cross beam assembly main body, a rear wall connecting upper cross beam and a rear wall connecting lower cross beam are arranged on the rear wall connecting cross beam assembly main body, and the rear wall connecting upper cross beam and the rear wall connecting lower cross beam are stamping parts. A coating auxiliary hook, a safety belt mounting plate and a seat rear mounting plate are further fixed between the rear wall connecting upper cross beam and the rear wall connecting lower cross beam, and seat safety belt lower fixing point mounting holes are formed in the two ends of the rear wall connecting upper cross beam respectively. A front row passenger seat rear fixing point and a driver seat rear fixing point are arranged on the two sides of the rear wall connecting upper cross beam respectively. On the premise that the rationality of the overall structural design is guaranteed, the rigidity, strength and light weight of the truck rear wall connecting beam assembly are guaranteed to the maximum extent, and the problems of structural design, rigidity, strength, light weight and the like of the truck rear wall connecting beam assembly are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of trucks, in particular to a truck rear enclosure connecting crossbeam assembly. Background Art

[0002] A truck is a motor vehicle specially designed for transporting goods and merchandise. The rear connecting beam assembly of a truck is an important component of the vehicle structure. Its function is to enhance the rigidity and stability of the vehicle body, especially in the rear area of ​​the vehicle compartment, while providing a stable mounting point for seats and other internal accessories.

[0003] The existing truck rear enclosure connecting crossbeam is usually connected between the left and right side enclosure assemblies, but a reinforcement structure is usually required on the rear enclosure connecting crossbeam to enhance the structure, which is not lightweight enough. Utility Model Content

[0004] The utility model aims to provide a truck rear enclosure connecting crossbeam assembly to solve the problem raised by the above background technology that a reinforcement structure is usually provided on the rear enclosure connecting crossbeam in the current market to enhance the structure and the vehicle is not lightweight enough.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rear enclosure connecting crossbeam assembly of a truck, including a rear enclosure connecting crossbeam assembly main body, a rear enclosure connecting upper crossbeam and a rear enclosure connecting lower crossbeam are arranged on the rear enclosure connecting crossbeam assembly main body, and the rear enclosure connecting upper crossbeam and the rear enclosure connecting lower crossbeam are both stamping parts, a cavity is formed between the rear enclosure connecting upper crossbeam and the rear enclosure connecting lower crossbeam, and a painting auxiliary hook, a seat belt mounting plate and a seat rear mounting plate are also fixed between the rear enclosure connecting upper crossbeam and the rear enclosure connecting lower crossbeam, seat safety belt lower fixing point mounting holes are respectively provided at both ends of the rear enclosure connecting upper crossbeam, and rear fixing points of the front passenger seat and the driver's seat are also respectively provided on both sides of the rear enclosure connecting upper crossbeam.

[0006] Preferably, the upper cross beam connecting the rear enclosure and the lower cross beam connecting the rear enclosure are both axisymmetric structures, and the upper cross beam connecting the rear enclosure and the lower cross beam connecting the rear enclosure are clamped and then welded to fix them.

[0007] Preferably, the mounting hole of the lower fixing point of the seat belt corresponds to the position of the seat belt mounting plate, and the seat belt mounting plate is welded and fixed to the upper cross beam connecting the rear enclosure.

[0008] Preferably, there are two rear fixing points for the front passenger seat and two rear fixing points for the driver seat, and the rear mounting plates of the seats are respectively located at the rear fixing points of the front passenger seat and the driver seat, and the rear mounting plates of the seats are also welded and fixed to the cross beam connecting the rear enclosure.

[0009] Preferably, a first weight-reducing hole is provided in the middle of the rear enclosure connecting the lower cross beam, and a second weight-reducing hole and a third weight-reducing hole are provided at corresponding positions on both sides of the rear enclosure connecting the lower cross beam.

[0010] Preferably, the opening positions of the first weight-reducing hole and the third weight-reducing hole are both punched into convex structures, and the first weight-reducing hole is a circular hole structure, and the second weight-reducing hole and the third weight-reducing hole are both oblong structures.

[0011] Preferably, the painting auxiliary hook is welded and fixed to the lower cross beam connected to the rear enclosure, and the painting auxiliary hook corresponds to the position of the second weight-reducing hole.

[0012] Preferably, the seat rear mounting plate is provided with through holes corresponding to the positions of the rear fixing points of the front passenger seat and the rear fixing points of the driver seat, and a nut structure is also welded on the seat rear mounting plate.

[0013] Preferably, a rear panel assembly is provided on the back of the rear enclosure connecting crossbeam assembly body, and a left door sill rear section assembly and a right door sill rear section assembly are respectively connected to both sides of the rear enclosure connecting crossbeam assembly body.

[0014] Preferably, one side of the bottom of the rear enclosure connecting crossbeam assembly body is connected to the seat rear upright plate assembly, and a handbrake mounting plate assembly is connected to the middle position between the rear enclosure connecting crossbeam assembly body and the seat rear upright plate assembly.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the truck rear enclosure connecting crossbeam assembly ensures its rigidity and lightness to the maximum extent under the premise of ensuring the rationality of the overall structural design, and solves the problems of structural design, rigidity, lightness, etc. of the truck rear enclosure connecting crossbeam assembly. The truck rear enclosure connecting crossbeam assembly is provided with a weight-reducing hole on the rear enclosure connecting lower crossbeam, which can reduce the weight of the rear enclosure connecting lower crossbeam, and the fixing parts of the rear enclosure connecting upper crossbeam for seats and seat belts are all provided with mounting plates for local structural reinforcement treatment to ensure the structural strength of the installation parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following are drawings of exemplary embodiments of the present invention, in which the same or similar reference numerals are used to represent the same or similar elements.

[0017] Figure 1 It is a schematic diagram of the structure of the rear enclosure connecting the upper cross beam of the rear enclosure connecting cross beam assembly of the truck according to the utility model;

[0018] Figure 2 It is a schematic diagram of the rear enclosure connecting lower cross beam structure of the rear enclosure connecting cross beam assembly of a truck according to the utility model;

[0019] Figure 3It is a schematic diagram of the cross-sectional structure of the connection portion between the rear enclosure connecting the upper cross beam and the rear enclosure connecting the lower cross beam at the first weight-reducing hole of the rear enclosure connecting cross beam assembly of the truck according to the utility model;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the connection portion of the rear enclosure connecting upper cross beam and the rear enclosure connecting lower cross beam at the rear mounting plate of the seat of the rear enclosure connecting cross beam assembly of the truck according to the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the connection portion between the upper cross beam connected to the rear enclosure and the lower cross beam connected to the rear enclosure of the utility model;

[0022] Figure 6 It is a schematic diagram of the cross-sectional structure of the connection parts of the safety belt mounting plate of the rear enclosure connecting cross beam assembly of the truck according to the utility model, the upper cross beam connected to the rear enclosure, and the lower cross beam connected to the rear enclosure;

[0023] Figure 7 The utility model is a schematic diagram of the connection structure between the rear enclosure connecting crossbeam assembly main body and the rear enclosure panel assembly of a truck.

[0024] Figure numerals: 1. Rear enclosure connected to upper cross beam; 101. Seat belt lower fixing point mounting hole; 102. Front passenger seat rear fixing point; 103. Driver seat rear fixing point; 2. Rear enclosure connected to lower cross beam; 201. First weight reduction hole; 202. Second weight reduction hole; 203. Third weight reduction hole; 3. Painting auxiliary hook; 4. Safety belt mounting plate; 5. Seat rear mounting plate; 6. Rear enclosure panel assembly; 7. Left door sill rear section assembly; 8. Seat rear vertical panel assembly; 9. Right door sill rear section assembly; 10. Handbrake mounting plate assembly; 11. Rear enclosure connected to the main body of the cross beam assembly. DETAILED DESCRIPTION

[0025] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0026] In the present utility model, the term "and / or" is intended to cover all possible combinations and sub-combinations of the listed elements, including any one of the elements listed separately, any sub-combination or all elements, without excluding other elements. Unless otherwise specified, the terms "first", "second", etc. are used to describe various elements without intending to limit the positional relationship, timing relationship or importance relationship of these elements. Such terms are only used to distinguish one element from another. Unless otherwise specified, the orientation or positional relationship indicated by the terms "front, back, up, down, left, right", etc. is usually based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience and simplification of description, and cannot be understood as limiting the scope of protection of the present utility model.

[0027] See also Figure 1-7 The utility model provides a technical solution: a rear enclosure connecting crossbeam assembly of a truck, including a rear enclosure connecting crossbeam assembly body 11, a rear enclosure connecting crossbeam assembly body 11 is provided with a rear enclosure connecting upper crossbeam 1 and a rear enclosure connecting lower crossbeam 2, and the rear enclosure connecting upper crossbeam 1 and the rear enclosure connecting lower crossbeam 2 are both stamping parts, the rear enclosure connecting upper crossbeam 1 and the rear enclosure connecting lower crossbeam 2 are both axisymmetric structures, and the rear enclosure connecting upper crossbeam 1 and the rear enclosure connecting lower crossbeam 2 are clamped and then welded and fixed, this structure is as shown in the attached manual Figure 1 And the instruction manual Figure 2 As shown, the rear enclosure is connected to the upper crossbeam 1 and the rear enclosure is connected to the lower crossbeam 2 through an axisymmetric structure to ensure structural strength, as shown in the attached manual. Figure 3 As shown, the rear enclosure upper cross beam 1 and the rear enclosure lower cross beam 2 are positioned by clamping to ensure the accuracy of welding positioning, a cavity is formed between the rear enclosure upper cross beam 1 and the rear enclosure lower cross beam 2, a first weight reduction hole 201 is opened in the middle of the rear enclosure lower cross beam 2, and second weight reduction holes 202 and third weight reduction holes 203 corresponding to the positions are opened on both sides of the rear enclosure lower cross beam 2. This structure is as shown in the attached manual Figure 2 As shown, the rear enclosure connecting lower cross beam 2 can be weight-reduced by opening a hole, so that the rear enclosure connecting cross beam assembly body 11 is lightweight, the opening positions of the first weight-reducing hole 201 and the third weight-reducing hole 203 are both stamped into a convex structure, and the first weight-reducing hole 201 is a circular hole structure, and the second weight-reducing hole 202 and the third weight-reducing hole 203 are both oblong structures. This structure is as shown in the attached manual Figure 2 , 3 5, while reducing weight through the first and third weight-reducing holes 201 and 203, the structural strength of the rear enclosure connected to the lower cross beam 2 is ensured, the painting auxiliary hook 3 is welded and fixed to the rear enclosure connected to the lower cross beam 2, and the painting auxiliary hook 3 corresponds to the position of the second weight-reducing hole 202. This structure is as shown in the attached manual Figure 2 , 5 As shown, the painting auxiliary hook 3 is used to ensure that the painting process of the rear enclosure connecting crossbeam assembly body 11 proceeds smoothly, and the painting auxiliary hook 3, the safety belt mounting plate 4 and the seat rear mounting plate 5 are also fixed between the rear enclosure connecting upper crossbeam 1 and the rear enclosure connecting lower crossbeam 2. The seat rear mounting plate 5 is provided with through holes corresponding to the positions of the rear fixing points 102 of the front passenger seat and the rear fixing points 103 of the driver seat, and a nut structure is also welded on the seat rear mounting plate 5. This structure is as shown in the attached manual Figure 5As shown, the rear enclosure connecting crossbeam assembly body 11 can be reinforced by the seat rear mounting plate 5 and the setting of welding nuts to ensure the stable positioning of the rear part of the seat. The two ends of the rear enclosure connecting upper crossbeam 1 are respectively provided with seat safety belt lower fixing point mounting holes 101, and the seat safety belt lower fixing point mounting holes 101 correspond to the position of the safety belt mounting plate 4, and the safety belt mounting plate 4 is welded and fixed to the rear enclosure connecting upper crossbeam 1. This structural specification is attached Figure 6 As shown, the seat belt lower fixing point mounting hole 101 of the rear enclosure connected to the upper cross beam 1 is reinforced by the seat belt mounting plate 4 to ensure that the rear enclosure connected to the cross beam assembly body 11 can stably position the seat belt, and the rear fixing points 102 of the front passenger seat and the rear fixing points 103 of the driver seat are respectively provided on both sides of the rear enclosure connected to the upper cross beam 1, and there are two rear fixing points 102 of the front passenger seat and two rear fixing points 103 of the driver seat, and the rear seat mounting plates 5 are respectively located at the rear fixing points 102 of the front passenger seat and the rear fixing points 103 of the driver seat, and the rear seat mounting plates 5 are also welded and fixed to the rear enclosure connected to the upper cross beam 1. This structure is as shown in the attached manual Figure 4 As shown, the rear fixing point 102 of the front passenger seat and the rear fixing point 103 of the driver seat are reinforced by the rear seat mounting plate 5 to ensure the stable positioning of the seats. The back of the rear enclosure connecting crossbeam assembly body 11 is provided with a rear enclosure panel assembly 6, and the two sides of the rear enclosure connecting crossbeam assembly body 11 are respectively connected to the left door sill rear section assembly 7 and the right door sill rear section assembly 9. This structure is as shown in the attached manual. Figure 7 As shown, the rear part of the rear enclosure connecting crossbeam assembly body 11 overlaps with the rear enclosure panel assembly 6, and the left and right sides overlap with the left door sill rear section assembly 7 and the right door sill rear section assembly 9 to form the rear enclosure assembly of the truck, ensuring the overall strength of the structure. One side of the bottom of the rear enclosure connecting crossbeam assembly body 11 is connected to the seat rear upright plate assembly 8, and the middle position between the rear enclosure connecting crossbeam assembly body 11 and the seat rear upright plate assembly 8 is connected to the handbrake mounting plate assembly 10. This structure is as shown in the attached manual. Figure 7 As shown, the rear enclosure connecting crossbeam assembly body 11 is overlapped with the seat rear upright assembly 8 and the handbrake mounting plate assembly 10 respectively, and then screwed and fixed, which can ensure the connection strength of the rear enclosure connecting crossbeam assembly body 11.

[0028] Working principle: When using the truck rear enclosure connecting crossbeam assembly, first, the rear enclosure connecting upper crossbeam 1 and the rear enclosure connecting lower crossbeam 2 are stamped and formed respectively, the rear enclosure connecting upper crossbeam 1 is welded with the seat belt mounting plate 4 at the mounting hole 101 of the lower fixed point of the seat belt, and the seat rear mounting plate 5 is welded at the rear fixed point 102 of the front passenger seat and the rear fixed point 103 of the driver seat, so that the local structure of the rear enclosure connecting upper crossbeam 1 is strengthened to ensure the connection strength, and the rear enclosure connecting lower crossbeam 2 is provided with the first weight reduction hole 201, the second weight reduction hole 202 and the third weight reduction hole 203 for Weight reduction treatment is carried out, and the painting auxiliary hook 3 is welded to the position where the second weight reduction hole 202 is opened on the rear enclosure connecting lower cross beam 2 to ensure that the painting process of the rear enclosure connecting cross beam assembly body 11 proceeds smoothly. The rear enclosure connecting upper cross beam 1 and the rear enclosure connecting lower cross beam 2 are welded after mutual engagement to form the rear enclosure connecting cross beam assembly body 11. The rear enclosure connecting cross beam assembly body 11 is respectively overlapped with the rear enclosure panel assembly 6, the left door sill rear section assembly 7, the seat rear vertical panel assembly 8, the right door sill rear section assembly 9 and the handbrake mounting plate assembly 10 and then fixed with bolts, thereby completing a series of work.

[0029] It should be noted that the utility model (e.g., utility model concepts, etc.) has been described in the specification of this patent document and / or illustrated in the drawings according to the exemplary embodiments; the embodiments of the utility model are presented only by way of example and are not intended to limit the scope of the utility model. The structure and / or arrangement of the elements of the utility model concepts embodied in the utility model as described in the specification and / or illustrated in the drawings are only illustrative. Although the exemplary embodiments of the utility model have been described in detail in this patent document, it is easy for a person of ordinary skill in the art to understand that equivalents, modifications, changes, etc. of the subject matter of the exemplary embodiments and alternative embodiments are possible and are considered to be within the scope of the utility model; all of these subject matters (e.g., modifications, changes, embodiments, combinations, equivalents, etc.) are intended to be included within the scope of the utility model. It should also be noted that various / other modifications, changes, substitutions, equivalents, changes, omissions, etc. can be made in the configuration and / or arrangement of the exemplary embodiments (e.g., in terms of concepts, designs, structures, devices, forms, assemblies, constructions, means, functions, systems, processes / methods, steps, the order of process / method steps, operations, operating conditions, performance, materials, compositions, combinations, etc.). ) without departing from the scope of the present invention; all of these subjects (such as modifications, changes, embodiments, combinations, equivalents, etc.) are intended to be included within the scope of the present invention. The scope of the present invention is not intended to be limited to the subject matter described in the specification and / or drawings of this patent document (such as details, structures, functions, materials, behaviors, steps, sequences, systems, results, etc.). Considering that the claims of this patent document will be appropriately interpreted as covering the full scope of the subject matter of the present invention (for example, including any and all such modifications, changes, embodiments, combinations, equivalents, etc.); it should be understood that the terms used in this patent document are intended to provide a description of the subject matter of the exemplary embodiments, rather than as a limitation on the scope of the present invention.

[0030] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A truck rear enclosure connecting crossbeam assembly, comprising a rear enclosure connecting crossbeam assembly body (11), characterized in that: The rear enclosure connecting crossbeam assembly body (11) is provided with a rear enclosure connecting upper crossbeam (1) and a rear enclosure connecting lower crossbeam (2), and the rear enclosure connecting upper crossbeam (1) and the rear enclosure connecting lower crossbeam (2) are both stamped parts, a cavity is formed between the rear enclosure connecting upper crossbeam (1) and the rear enclosure connecting lower crossbeam (2), and a painting auxiliary hook (3), a safety belt mounting plate (4) and a seat rear mounting plate (5) are also fixed between the rear enclosure connecting upper crossbeam (1) and the rear enclosure connecting lower crossbeam (2), seat safety belt lower fixing point mounting holes (101) are respectively provided at both ends of the rear enclosure connecting upper crossbeam (1), and front passenger seat rear fixing points (102) and driver seat rear fixing points (103) are also respectively provided on both sides of the rear enclosure connecting upper crossbeam (1).

2. The truck rear wall connecting crossbeam assembly according to claim 1, characterized in that: The rear enclosure connecting upper crossbeam (1) and the rear enclosure connecting lower crossbeam (2) are both axisymmetric structures, and the rear enclosure connecting upper crossbeam (1) and the rear enclosure connecting lower crossbeam (2) are clamped and then welded to fix them.

3. The truck rear wall connecting cross beam assembly according to claim 1, characterized in that: The seat belt lower fixing point mounting hole (101) corresponds to the position of the seat belt mounting plate (4), and the seat belt mounting plate (4) is welded and fixed to the rear enclosure connecting upper cross beam (1).

4. The truck rear wall connecting cross beam assembly according to claim 1, characterized in that: The front passenger seat rear fixing points (102) and the driver seat rear fixing points (103) are respectively provided with two, and the seat rear mounting plates (5) are respectively located at the front passenger seat rear fixing points (102) and the driver seat rear fixing points (103), and the seat rear mounting plates (5) are also welded and fixed to the rear enclosure upper cross beam (1).

5. The truck rear wall connecting cross beam assembly according to claim 1, characterized in that: A first weight-reducing hole (201) is provided in the middle of the rear enclosure connecting the lower cross beam (2), and second weight-reducing holes (202) and third weight-reducing holes (203) corresponding in position are also provided on both sides of the rear enclosure connecting the lower cross beam (2).

6. The truck rear wall connecting cross beam assembly according to claim 5, characterized in that: The opening positions of the first weight-reducing hole (201) and the third weight-reducing hole (203) are both punched into a convex structure, and the first weight-reducing hole (201) is a circular hole structure, and the second weight-reducing hole (202) and the third weight-reducing hole (203) are both oblong structures.

7. The truck rear wall connecting cross beam assembly according to claim 5, characterized in that: The painting auxiliary hook (3) is welded and fixed to the rear enclosure connecting lower cross beam (2), and the painting auxiliary hook (3) corresponds to the position of the second weight-reducing hole (202).

8. The truck rear wall connecting cross beam assembly according to claim 1, characterized in that: The seat rear mounting plate (5) is provided with through holes corresponding to the positions of the rear fixing points (102) of the front passenger seat and the rear fixing points (103) of the driver seat, and a nut structure is also welded on the seat rear mounting plate (5).

9. The truck rear wall connecting cross beam assembly according to claim 1, characterized in that: The back of the rear enclosure connecting crossbeam assembly body (11) is provided with a rear enclosure panel assembly (6), and the two sides of the rear enclosure connecting crossbeam assembly body (11) are respectively connected to a left door sill rear section assembly (7) and a right door sill rear section assembly (9).

10. The truck rear wall connecting cross beam assembly according to claim 1, characterized in that: One side of the bottom of the rear enclosure connecting crossbeam assembly body (11) is connected to a seat rear upright plate assembly (8), and a handbrake mounting plate assembly (10) is connected to a middle position between the rear enclosure connecting crossbeam assembly body (11) and the seat rear upright plate assembly (8).

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